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Finding the Fourth Proportional to 705,777.28, 1,058,070.74 and 306,117

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Solution

The fourth proportional to 705,777.28, 1,058,070.74 and 306,117 is: 458,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,777.28 : 1,058,070.74 = 306,117 : x
  2. Step 2: Convert to fraction form
    705,777.28/1,058,070.74 = 306,117/x
  3. Step 3: Cross multiply
    705,777.28x = 1,058,070.74 × 306,117
  4. Step 4: Simplify right side
    705,777.28x = 323,893,439,186.00
  5. Step 5: Solve for x
    x = 323,893,439,186.00/705,777.28
  6. Step 6: Final answer
    x = 458,917.35

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